5、心跳字段和归还请求字段

<p>心跳信息字段： <code> {"macno":"1788045b921d5e0d","status":1,"lastbeat":1536324546} </code> 设备归还请求字段: <code> {"macno":"1788045b921d5e0d","deviceId":"0109035b7eaec95f","doornum":5,"haved":100} </code></p>